Developer: MainMain
Publisher: MainMain
Release date: Oct/20/2026
Version: Demo
Language: English (Official)
Censored: Yes (Mosaics)

* Game Summary
Touch Yuzuha with the click!
The more you play, the sluttier Yuzuha gets!
Choose what your sister wants, and love level will increase!
Enjoy the sex with her!


* Prologue
Yuzuha, sister, masturbates in her room, and her brother knows her secret.
He is so horny that he decides that having sex with Yuzuha would be a winwin situation.
First, she refuses...but then...


* Sex scenes
18 different cute and naughty animations!
Train Yuzuha and she'll become a slut!
You can change the speed of hand job, blow job, and piston!
The timing of ejaculation is up to you!


* Situations
hand job, blow job, breasts kneading, vibrator, auto vibrator, anal beads, butts kneading, fingering, cunnilingus, piston, etc.


* Good points
Click on Yuzuha in the parameter screen and she will talk!
As Yuzuha's horny level increases, parameter screen will be added!
Enjoy Yuzuha as she gradually opens her heart and becomes more and more lewd!
Proficiency level system. When maxed out, Yuzuha will have even more lines on the parameter screen!
Scores and rankings! Go and get better!
Free Touch Mode is available, where you can play all moves!


* Character
Name: Yuzuha (voice: Paco Shirakawa)
A sister with a negative attitude toward her brother.
She has the full potential of a lovely personality.
She loves masturbation and is a big fan of vibrator.